Support WithSecurityContextFactory on superclass

Fixes gh-3888

test/src/main/java/org/springframework/security/test/context/support/WithSecurityContextTestExecutionListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@ import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequ
 import org.springframework.test.context.TestContext;
 import org.springframework.test.context.TestExecutionListener;
 import org.springframework.test.context.support.AbstractTestExecutionListener;
+import org.springframework.test.util.MetaAnnotationUtils;
 import org.springframework.test.web.servlet.MockMvc;
 
 /**
@@ -39,6 +40,7 @@ import org.springframework.test.web.servlet.MockMvc;
  * too.
  *
  * @author Rob Winch
+ * @author Eddú Meléndez
  * @since 4.0
  */
 public class WithSecurityContextTestExecutionListener extends
@@ -83,6 +85,27 @@ public class WithSecurityContextTestExecutionListener extends
 		return null;
 	}
 
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	private SecurityContext createSecurityContext(Class<?> annotated,
+		TestContext context) {
+		MetaAnnotationUtils.AnnotationDescriptor<WithSecurityContext>
+				withSecurityContext = MetaAnnotationUtils.findAnnotationDescriptor(
+				annotated, WithSecurityContext.class);
+		if (withSecurityContext != null) {
+			WithSecurityContextFactory factory = createFactory(withSecurityContext.getAnnotation(), context);
+			Class<? extends Annotation> type = (Class<? extends Annotation>) GenericTypeResolver.resolveTypeArgument(factory.getClass(), WithSecurityContextFactory.class);
+			Annotation annotation = findAnnotation(annotated, type);
+			try {
+				return factory.createSecurityContext(annotation);
+			}
+			catch (RuntimeException e) {
+				throw new IllegalStateException(
+						"Unable to create SecurityContext using " + annotation, e);
+			}
+		}
+		return null;
+	}
+
 	private Annotation findAnnotation(AnnotatedElement annotated,
 			Class<? extends Annotation> type) {
 		Annotation findAnnotation = AnnotationUtils.findAnnotation(annotated, type);
@@ -131,4 +154,4 @@ public class WithSecurityContextTestExecutionListener extends
 	public int getOrder() {
 		return 1000;
 	}
-}
+}